Question: Q. 1. When an object is placed between f and 2f of a concave mirror, would the image formed be (i) real or virtual and (ii) diminished or magnified? U [Delhi I, II, III 2015]

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Solution:

Ans. (i) Real, (ii) magnified

1/2+1/2

[AI Q. 2. Redraw the diagram given below and mark the position of the centre of curvature of the spherical mirror used in the given set up.

A] [CBSE SQP 2014]

 Ans. 

[CBSE Marking Scheme 2014]

Detailed Answer :

Line joining the object and image same point Misplaced & should be passes through C as it is undeviated. As the image is enlarged and real from the mirror. It is concave mirror and object is placed between C and F and image is formed beyond C. Hence C is in between object and the image.

Commonly Made Error

  • Many candidates could not understand that BB cut the principal axis at C. They arbitrarily choose C.


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